diff --git a/src/Semi.Avalonia/Controls/ComboBox.axaml b/src/Semi.Avalonia/Controls/ComboBox.axaml
index 085e580..bb4d8b7 100644
--- a/src/Semi.Avalonia/Controls/ComboBox.axaml
+++ b/src/Semi.Avalonia/Controls/ComboBox.axaml
@@ -161,9 +161,18 @@
         <Style Selector="^:pointerover">
             <Setter Property="Background" Value="{DynamicResource ComboBoxSelectorPointeroverBackground}" />
             <Setter Property="BorderBrush" Value="{DynamicResource ComboBoxSelectorPointeroverBorderBrush}" />
+            <Style Selector="^ /template/ PathIcon#DropDownGlyph">
+                <Setter Property="Foreground" Value="{DynamicResource ComboBoxIconPointeroverForeground}" />
+            </Style>
         </Style>
-        <Style Selector="^:pointerover /template/ PathIcon#DropDownGlyph">
-            <Setter Property="Foreground" Value="{DynamicResource ComboBoxIconPointeroverForeground}" />
+
+        <!--  Focus State  -->
+        <Style Selector="^:focus">
+            <Setter Property="Background" Value="{DynamicResource ComboBoxSelectorFocusBackground}" />
+            <Setter Property="BorderBrush" Value="{DynamicResource ComboBoxSelectorFocusBorderBrush}" />
+            <Style Selector="^ /template/ PathIcon#DropDownGlyph">
+                <Setter Property="Foreground" Value="{DynamicResource ComboBoxIconFocusForeground}" />
+            </Style>
         </Style>
 
         <!--  Pressed State  -->
@@ -224,6 +233,10 @@
                 <Setter Property="Background" Value="{DynamicResource ComboBoxSelectorBorderedPressedBackground}" />
                 <Setter Property="BorderBrush" Value="{DynamicResource ComboBoxSelectorBorderedPressedBorderBrush}" />
             </Style>
+            <Style Selector="^:focus /template/ Border#Background">
+                <Setter Property="Background" Value="{DynamicResource ComboBoxSelectorBorderedFocusBackground}" />
+                <Setter Property="BorderBrush" Value="{DynamicResource ComboBoxSelectorBorderedFocusBorderBrush}" />
+            </Style>
             <Style Selector="^:disabled">
                 <Style Selector="^ /template/ Border#Background">
                     <Setter Property="Background" Value="{DynamicResource ComboBoxSelectorDisabledBackground}" />
@@ -286,6 +299,10 @@
             <Setter Property="Background" Value="{DynamicResource ComboBoxItemPointeroverBackground}" />
         </Style>
 
+        <Style Selector="^:focus /template/ ContentPresenter#PART_ContentPresenter">
+            <Setter Property="Background" Value="{DynamicResource ComboBoxItemFocusBackground}" />
+        </Style>
+
         <Style Selector="^:disabled /template/ ContentPresenter#PART_ContentPresenter">
             <Setter Property="Background" Value="{DynamicResource ComboBoxItemDisabledBackground}" />
         </Style>
@@ -305,5 +322,6 @@
                 <Setter Property="Background" Value="{DynamicResource ComboBoxItemSelectedPointeroverBackground}" />
             </Style>
         </Style>
+
     </ControlTheme>
 </ResourceDictionary>
diff --git a/src/Semi.Avalonia/Themes/Dark/ComboBox.axaml b/src/Semi.Avalonia/Themes/Dark/ComboBox.axaml
index 9554648..410298a 100644
--- a/src/Semi.Avalonia/Themes/Dark/ComboBox.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/ComboBox.axaml
@@ -1,14 +1,17 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <SolidColorBrush x:Key="ComboBoxSelectorBackground" Opacity="0.12" Color="White" />
     <SolidColorBrush x:Key="ComboBoxSelectorPointeroverBackground" Opacity="0.16" Color="White" />
+    <SolidColorBrush x:Key="ComboBoxSelectorFocusBackground" Opacity="0.16" Color="White" />
     <SolidColorBrush x:Key="ComboBoxSelectorPressedBackground" Opacity="0.20" Color="White" />
     <SolidColorBrush x:Key="ComboBoxSelectorDisabledBackground" Opacity="0.04" Color="#E6E8EA" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderBrush" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxSelectorPointeroverBorderBrush" Color="Transparent" />
-    <SolidColorBrush x:Key="ComboBoxSelectorPressedBorderBrush" Color="#A9D7FF" />
+    <SolidColorBrush x:Key="ComboBoxSelectorFocusBorderBrush" Color="#54A9FF" />
+    <SolidColorBrush x:Key="ComboBoxSelectorPressedBorderBrush" Color="#54A9FF" />
 
     <SolidColorBrush x:Key="ComboBoxIconDefaultForeground" Opacity="0.6" Color="#F9F9F9" />
     <SolidColorBrush x:Key="ComboBoxIconPointeroverForeground" Color="#F9F9F9" />
+    <SolidColorBrush x:Key="ComboBoxIconFocusForeground" Color="#F9F9F9" />
     <SolidColorBrush x:Key="ComboBoxIconPressedForeground" Color="#F9F9F9" />
     <SolidColorBrush x:Key="ComboBoxIconDisabledForeground" Opacity="0.35" Color="#F9F9F9" />
 
@@ -22,6 +25,7 @@
 
     <SolidColorBrush x:Key="ComboBoxItemBackground" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxItemPointeroverBackground" Opacity="0.12" Color="White" />
+    <SolidColorBrush x:Key="ComboBoxItemFocusBackground" Opacity="0.12" Color="White" />
     <SolidColorBrush x:Key="ComboBoxItemPressedBackground" Opacity="0.16" Color="White" />
     <SolidColorBrush x:Key="ComboBoxItemSelectedBackground" Opacity="0.2" Color="#54A9FF" />
     <SolidColorBrush x:Key="ComboBoxItemSelectedPointeroverBackground" Opacity="0.3" Color="#54A9FF" />
@@ -33,6 +37,8 @@
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedBorderBrush" Opacity="0.08" Color="White" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPointeroverBackground" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPointeroverBorderBrush" Color="#7FC1FF" />
+    <SolidColorBrush x:Key="ComboBoxSelectorBorderedFocusBackground" Color="Transparent" />
+    <SolidColorBrush x:Key="ComboBoxSelectorBorderedFocusBorderBrush" Color="#7FC1FF" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPressedBackground" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPressedBorderBrush" Color="#A9D7FF" />
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Themes/Light/ComboBox.axaml b/src/Semi.Avalonia/Themes/Light/ComboBox.axaml
index e5641df..8fc128f 100644
--- a/src/Semi.Avalonia/Themes/Light/ComboBox.axaml
+++ b/src/Semi.Avalonia/Themes/Light/ComboBox.axaml
@@ -1,11 +1,13 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <SolidColorBrush x:Key="ComboBoxSelectorBackground" Opacity="0.05" Color="#2E3238" />
     <SolidColorBrush x:Key="ComboBoxSelectorPointeroverBackground" Opacity="0.09" Color="#2E3238" />
+    <SolidColorBrush x:Key="ComboBoxSelectorFocusBackground" Opacity="0.09" Color="#2E3238" />
     <SolidColorBrush x:Key="ComboBoxSelectorPressedBackground" Opacity="0.13" Color="#2E3238" />
     <SolidColorBrush x:Key="ComboBoxSelectorDisabledBackground" Opacity="0.02" Color="#2E3238" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderBrush" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxSelectorPointeroverBorderBrush" Color="Transparent" />
-    <SolidColorBrush x:Key="ComboBoxSelectorPressedBorderBrush" Color="#004FB3" />
+    <SolidColorBrush x:Key="ComboBoxSelectorFocusBorderBrush" Color="#0077FA" />
+    <SolidColorBrush x:Key="ComboBoxSelectorPressedBorderBrush" Color="#0077FA" />
 
     <SolidColorBrush x:Key="ComboBoxIconDefaultForeground" Opacity="0.62" Color="#1C1F23" />
     <SolidColorBrush x:Key="ComboBoxIconPointeroverForeground" Color="#1C1F23" />
@@ -22,6 +24,7 @@
 
     <SolidColorBrush x:Key="ComboBoxItemBackground" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxItemPointeroverBackground" Opacity="0.05" Color="#2E3238" />
+    <SolidColorBrush x:Key="ComboBoxItemFocusBackground" Opacity="0.05" Color="#2E3238" />
     <SolidColorBrush x:Key="ComboBoxItemPressedBackground" Opacity="0.09" Color="#2E3238" />
     <SolidColorBrush x:Key="ComboBoxItemSelectedBackground" Color="#EAF5FF" />
     <SolidColorBrush x:Key="ComboBoxItemSelectedPointeroverBackground" Color="#CBE7FE" />
@@ -33,6 +36,8 @@
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedBorderBrush" Opacity="0.08" Color="#1C1F23" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPointeroverBackground" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPointeroverBorderBrush" Color="#0062D6" />
+    <SolidColorBrush x:Key="ComboBoxSelectorBorderedFocusBackground" Color="Transparent" />
+    <SolidColorBrush x:Key="ComboBoxSelectorBorderedFocusBorderBrush" Color="#0062D6" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPressedBackground" Color="Transparent" />
     <SolidColorBrush x:Key="ComboBoxSelectorBorderedPressedBorderBrush" Color="#004FB3" />
 </ResourceDictionary>
\ No newline at end of file